pci passthrough: unicode object support does not work with the unkown fileds

[Yongli He]

2013-10-17 06:00:23.066 ERROR nova.openstack.common.threadgroup [-] (u'A string is required here, not %s', 'list')
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup Traceback (most recent call last):

objects support now requied known the value you saved in the objects, but pci extra_info design for 'unkonw' usage. so can not get the type info.

refer the trace:

2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/openstack/common/threadgroup.py", line 117, in wait
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup x.wait()
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/openstack/common/threadgroup.py", line 49, in wait
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup return self.thread.wait()
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 168, in wait
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup return self._exit_event.wait()
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/usr/local/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup return hubs.get_hub().switch()
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 187, in switch
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup return self.greenlet.switch()
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 194, in main
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup result = function(*args, **kwargs)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/openstack/common/service.py", line 65, in run_service
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup service.start()
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/service.py", line 164, in start
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup self.manager.pre_start_hook()
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/compute/manager.py", line 801, in pre_start_hook
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup self.update_available_resource(nova.context.get_admin_context())
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/compute/manager.py", line 4868, in update_available_resource
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup rt.update_available_resource(context)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/openstack/common/lockutils.py", line 246, in inner
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup return f(*args, **kwargs)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/compute/resource_tracker.py", line 292, in update_available_resource
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup 'pci_passthrough_devices')))
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/pci/pci_manager.py", line 189, in set_hvdevs
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup dev_obj = pci_device.PciDevice.create(dev)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/objects/pci_device.py", line 174, in create
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup pci_device.update_device(dev_dict)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/objects/pci_device.py", line 136, in update_device
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup self.extra_info = extra_info
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/objects/base.py", line 68, in setter
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup field.coerce(self, name, value))
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/objects/fields.py", line 163, in coerce
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup return self._type.coerce(obj, attr, value)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/objects/fields.py", line 308, in coerce
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup obj, '%s["%s"]' % (attr, key), element)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/objects/fields.py", line 163, in coerce
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup return self._type.coerce(obj, attr, value)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup File "/opt/stack/nova/nova/objects/fields.py", line 214, in coerce
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup value.__class__.__name__)
2013-10-17 06:00:23.066 TRACE nova.openstack.common.threadgroup ValueError: (u'A string is required here, not %s', 'list')

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/52028

[Joe Gordon (jogo)]

Is this still valid, the patch was abandoned?

[Sean Dague (sdague)]

The object model specifically is designed to not allow arbitrary fields.